STUDY OF AG(111) AND AU(111) ELECTRODES BY OPTICAL 2ND-HARMONIC GENERATION

被引：72

作者：

GUYOTSIONNEST, P ^{[1
]}

TADJEDDINE, A ^{[1
]}

机构：

[1] CNRS,ELECTROCHIM INTERFACIALE LAB,F-92195 MEUDON,FRANCE

来源：

JOURNAL OF CHEMICAL PHYSICS | 1990年 / 92卷 / 01期

关键词：

D O I：

10.1063/1.458427

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have measured the potential dependence of optical second-harmonic generation from Ag(111) and Au(111) electrodes at wavelengths below and above the free electron regime. In the free electron regime, the cubic nonlinear susceptibility is dominant, leading to similar effects for positive and negative charging. Above the free electron regime, the quadratic nonlinear susceptibility of the d-electrons is dominant, leading to different effects for positive and negative charging. We also followed the oxidoreduction of Au(111) and found that second-harmonic generation is very sensitive to the different steps of the reaction. © 1990 American Institute of Physics.

引用

页码：734 / 738

页数：5

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